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The decapod (crustaceans such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon . [1] [2] Each segment may possess one pair of appendages, although in various groups these may be reduced or missing. They are, from head to tail:
The Speckled swimming crab eats primarily detritus, but have also been recorded eating fish, mollusks, and other crustaceans. [7] They ambush prey that go near their buried bodies. [7] Speckled swimming crabs have been recorded capturing sea turtle hatchlings. [7] Sea turtles are the primary predator to Arenaeus cribrarius. [7]
Archosargus probatocephalus is an omnivore, the larger juveniles and adults are predators of blue crab (Callinectes sapidus), oysters, clams, crustaceans, and small fish with the young Atlantic croakers (Micropogonias undulatus) The large flattened teeth are used to crush prey protected by shells or armor as well as to scrape barnacles off ...
The remaining group, called Pleocyemata, then diverged between the swimming shrimp groupings and the crawling/walking group called Reptantia, consisting of lobsters and crabs. High species diversification can be traced to the Jurassic and Cretaceous periods, which coincides with the rise and spread of modern coral reefs , a key habitat for the ...
The blue line hermit crab shows a sign of remarkable intelligence. These organisms will traditionally engage in unique behaviors before mating. Some such examples include the male rotating the female’s shell or rubbing their chilipeds, or claws, around the opening of the female’s shell.
Working on water outweighs pitfalls. Strategically located crab pots on the muddy creek bottoms, stuffed with smelly bait fish, trap the 6-legged crabs who also have rear swimming legs that look ...
Callinectes sapidus – blue crab; Callinectes similis; Cancer bellianus; Cancer borealis – Jonah crab; Cancer irroratus – Atlantic rock crab; Cancer pagurus – edible crab; Carcinus maenas – European shore crab; Cardisoma guanhumi – blue land crab; Carpoporus papulosus; Celatopesia concava; Chaceon fenneri – golden crab ...
Blue crab escaping from the net along the Core Banks of North Carolina.. Callinectes sapidus (from the Ancient Greek κάλλος,"beautiful" + nectes, "swimmer", and Latin sapidus, "savory"), the blue crab, Atlantic blue crab, or, regionally, the Maryland blue crab, is a species of crab native to the waters of the western Atlantic Ocean and the Gulf of Mexico, and introduced internationally.